/*
 * Copyright 2000-2016 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package lt.martynassateika.idea.codeigniter.compat;

import com.intellij.util.io.DataExternalizer;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.io.DataInput;
import java.io.DataOutput;

/**
 * Based on com.intellij.util.io.VoidDataExternalizer.
 *
 * This class exists here to enable 2016.1 support.
 *
 * @author JetBrains
 * @since 0.4.1 (intellij-community: 2017.1)
 */
public class VoidDataExternalizer implements DataExternalizer<Void> {

  public static final VoidDataExternalizer INSTANCE = new VoidDataExternalizer();

  @Override
  public void save(@NotNull DataOutput out, Void value) {
  }

  @Override
  @Nullable
  public Void read(@NotNull DataInput in) {
    return null;
  }
}
